UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025052900.upa.cvt Date: 0000Z 29 MAY 25 Searching for HKNC... Searching the city database file for: HKNC ... Date:0000Z 29 MAY 25 Station: HKNC WMO ident: 63741 Latitude: -1.30 Longitude: 36.75 Elevation: 1798.00 ------------------------------------------------------------------------------- LEV PRES HGHT TEMP DEWP RH DD WETB DIR SPD THETA THE-V THE-W THE-E W mb m C C % C C deg knt K K K K g/kg ------------------------------------------------------------------------------- SFC 827 1798 15.6 14.1 91 1.5 14.6 150 4 304.9 307.2 294.7 341.7 12.33 1 798 2098 12.6 12.4 99 0.2 12.5 152 4 304.8 306.9 294.0 338.9 11.42 2 666 3591 4.6 3.5 93 1.1 3.9 161 5 312.0 313.4 293.0 335.0 7.41 3 618 4196 1.2 -7.8 51 9.0 -2.9 165 5 314.8 315.5 290.5 325.9 3.44 4 557 5028 -0.9 -5.6 70 4.7 -3.2 171 5 321.8 322.7 293.5 336.7 4.53 5 545 5202 -0.7 -9.7 51 9.0 -4.7 172 5 324.1 324.8 293.2 335.3 3.36 6 536 5335 -1.3 -8.3 59 7.0 -4.6 173 5 324.9 325.7 293.7 337.6 3.82 7 486 6107 -6.9 -12.9 62 6.0 -9.4 178 5 327.3 327.9 293.6 337.2 2.92 8 453 6652 -10.5 -20.5 44 10.0 -13.7 182 6 329.4 329.7 293.1 335.2 1.65 9 419 7247 -14.9 -18.2 76 3.3 -16.0 186 6 331.2 331.6 294.0 338.8 2.18 10 400 7597 -16.1 -37.1 15 21.0 -20.1 188 6 334.1 334.1 293.2 335.6 0.40 11 367 8241 -19.7 -47.7 6 28.0 -23.5 193 6 337.6 337.6 293.9 338.2 0.14 12 335 8914 -23.3 -49.3 7 26.0 -26.4 198 6 341.6 341.6 294.8 342.1 0.13 13 269 10479 -36.1 -54.1 14 18.0 -37.4 209 7 345.1 345.1 295.6 345.5 0.09 14 257 10794 -39.1 -53.1 21 14.0 -40.0 212 7 345.2 345.2 295.7 345.6 0.11 15 223 11750 -47.3 -50.8 67 3.5 -47.5 219 7 346.9 346.9 296.1 347.6 0.16 16 206 12269 -51.5 -57.5 49 6.0 -51.7 224 8 348.3 348.3 296.3 348.6 0.08 17 183 13027 -58.1 -60.7 72 2.6 -58.2 230 8 349.5 349.5 296.6 349.8 0.06 18 150 14254 -66.7 -71.7 49 5.0 -66.7 240 8 355.2 355.2 297.7 355.3 0.02 19 140 14673 -65.3 -70.3 50 5.0 -65.4 244 9 364.7 364.7 299.6 364.8 0.02 20 126 15308 -69.7 -81.7 16 12.0 -69.8 250 9 367.9 367.9 300.2 367.9 0.00 21 122 15499 -71.5 -82.5 18 11.0 -71.5 251 9 368.0 368.0 300.2 368.1 0.00 22 106 16322 -75.3 -84.3 23 9.0 -75.3 259 9 375.9 375.9 301.6 375.9 0.00 23 95 16959 -73.9 -82.9 24 9.0 -73.9 265 9 390.6 390.6 303.9 390.7 0.00 24 78 18093 -79.7 -88.7 21 9.0 -79.7 275 10 401.3 401.3 305.4 401.3 0.00 25 70 18710 -77.3 -85.3 27 8.0 -77.3 175 13 419.0 419.0 307.6 419.0 0.00 26 65 19139 -75.3 -84.3 23 9.0 -75.3 196 16 432.4 432.4 309.1 432.4 0.00 27 56 20033 -62.5 -75.5 16 13.0 -62.9 238 23 480.4 480.4 313.5 480.5 0.02 28 50 20730 -65.3 -88.3 3 23.0 -65.6 270 28 489.6 489.6 314.2 489.6 0.00 29 46 21233 -67.9 -94.9 1 27.0 -68.1 298 30 495.1 495.1 314.6 495.2 0.00 30 44 21499 -69.3 -96.3 1 27.0 -69.5 313 31 498.1 498.1 314.8 498.1 0.00 31 37 22551 -61.1 -90.1 1 29.0 -61.8 10 35 544.4 544.4 317.8 544.4 0.00 32 30 23850 -61.5 -90.5 1 29.0 -62.3 80 40 577.0 577.0 319.5 577.0 0.00 33 20 26400 -53.3 -85.3 1 32.0 -55.9 105 57 673.0 673.0 323.5 673.1 0.01 TRP 78 18093 -79.7 -88.7 21 9.0 -79.7 275 10 401.3 401.3 305.4 401.3 0.00 WND Sounding variables and indices Freezing level: 583.14 mb = 4671.81 m = 15327.28 ft Wetbulb zero: 638.14 mb = 3936.94 m = 12916.30 ft Precipitable water: 1.01 inches Sfc-500 mean rel hum: 77.02 % Est. max temperature: 21.73 C = 71.11 F Sfc-Lift cond lev (LCL): 808.88 mb = 1984.46 m = 6510.61 ft T: 13.74 C 700-500 lapse rate: 4.47 C/km ThetaE index: 15.80 C Layer 798.0- 557.0 mb Conv cond level (CCL): 768.09 mb = 2413.80 m = 7919.20 ft Mean mixing ratio: 10.73 g/kg Conv temperature: 16.98 C = 62.56 F Cap Strength: 2.90 C Lifted Index: 2.15 C Risk: None Lifted Index @300 mb: 5.28 C Lifted Index @700 mb: -0.37 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 49.08 J/kg Max Up Vert Vel: 9.91 m/s Conv Inhibition (B-): 0.11 J/kg Cap Strength: 2.85 C Lift Cond Lev (LCL): 770.07 mb = 2392.54 m = 7849.43 ft Lev Free Conv (LFC): 755.07 mb = 2554.94 m = 8382.23 ft Equ Level (EL): 595.07 mb = 4498.98 m = 14760.25 ft B at Equ Level: 48.91 J/kg Max Parcel Lev (MPL): 535.07 mb = 5348.65 m = 17547.85 ft Wind level data Storm motion: 282 at 5 knt ---------------------------------------------------------- TRUE/GROUND REL | STORM REL LEV P H DIR SPD U V | DIR SPD U V mb m knt m/s | knt m/s ---------------------------------------------------------- 0 827 1798 150 4 -2.0 3.5 | 123 8 -7.1 4.6 1 78 18093 275 10 10.0 -0.9 | 267 5 4.8 0.2 2 70 18710 175 13 -1.1 13.0 | 156 15 -6.3 14.0 3 50 20730 270 28 28.0 -0.0 | 267 23 22.9 1.1 4 30 23850 80 40 -39.4 -6.9 | 83 45 -44.5 -5.9 5 20 26400 105 57 -55.1 14.8 | 105 62 -60.2 15.8 Wind Parameters Mean winds (0-6000m): 252.0 at 7.0 knts Storm direction: 282.0 at 5.2 knts Storm rel Dir Shear (0-3000m): -77.5 deg Storm rel helicity (0-3000m) pos: 0.0 neg: 0.0 tot: 0.0 m^2/s^2 ave: 0.0 10^-3 m/s^2 rel: 0.00 Storm rel vorticity (0-3000m) horiz: 0.0 stream: 0.0 10^-3/s Energy-Hel index: 0.00 Storm Parameters ------------------------------------------------------------------------------- Depth Mean Inflow| Shear | Helicity | Vorticity AGL Dir Spd Dir Spd| Pos Neg Tot| Pos Neg Tot Ave Rel | Hor Strm m knt knt| 10^-3/s | m^2/s^2 m/s^2 | 10^-3/s ------------------------------------------------------------------------------- 500 NO DATA | | | 1000 NO DATA | | | 1500 NO DATA | | | 2000 NO DATA | | | 2500 NO DATA | | | 3000 NO DATA | | | 4000 NO DATA | | | 5000 NO DATA | | | 6000 NO DATA | | | Wrote GIF file: /home/apache/climate/data/raob//HKNC/skewt/HKNC.skewt.20250529.00.gif